Panoramic annular lens and imaging system

By designing a panoramic ring belt lens including a panoramic ring belt head unit and a successor lens group, the problem of insufficient field angle of view in the existing system is solved, a larger field angle and a more compact structure are achieved, and the performance of the system in various application scenarios is improved.

CN119738942AActive Publication Date: 2025-04-01HANGZHOU HUANJUN TECH CO LTD
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Patent Information

Application Number
CN202510151260.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-04-01
Estimated Expiration
2045-02-11

AI Technical Summary

Technical Problem

The existing panoramic ring belt imaging system has limitations in field angles, which is difficult to meet the needs of a larger field angle, especially in application scenarios such as surveillance, virtual reality and autonomous driving.

Method used

A panoramic ring belt lens is designed, including a panoramic ring belt head unit and a successor lens group. Through specific lens combinations and structural design, the field of view of the system is expanded. The specific design includes a specific lens arranged in sequence from the object side to the image side, forming at least one set of glued lens groups to achieve a larger field of view angle.

Benefits of technology

It realizes that while ensuring compact structure and machining, the maximum field of view angle of the ring belt imaging is significantly increased, meeting the needs of a wider field of view, and improving the practicality and efficiency of the system in various application scenarios.

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Abstract

The invention discloses a panoramic annular lens and an imaging system. The panoramic belt lens comprises a panoramic belt head unit and a subsequent lens group which are arranged from an object side to an image side. Wherein the panoramic girdle head unit comprises a first lens and a second lens which are sequentially arranged from an object space side to an image space side, the first lens is a meniscus lens with positive focal power, and the second lens is a biconvex lens with positive focal power; the convex surface of the first lens faces the object side, and the concave surface faces the image side. And the subsequent lens group comprises a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens which are sequentially arranged from the object space side to the image space side, wherein the lenses from the third lens to the eighth lens form at least one cemented lens group.
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